GB344497A - Improvements in electric discharge tubes - Google Patents
Improvements in electric discharge tubesInfo
- Publication number
- GB344497A GB344497A GB37227/29A GB3722729A GB344497A GB 344497 A GB344497 A GB 344497A GB 37227/29 A GB37227/29 A GB 37227/29A GB 3722729 A GB3722729 A GB 3722729A GB 344497 A GB344497 A GB 344497A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core
- metal
- wire
- discharge
- lamps
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910052751 metal Inorganic materials 0.000 abstract 6
- 239000002184 metal Substances 0.000 abstract 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 abstract 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- 229910000722 Didymium Inorganic materials 0.000 abstract 1
- 241000224487 Didymium Species 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052776 Thorium Inorganic materials 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052792 caesium Inorganic materials 0.000 abstract 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 229910052746 lanthanum Inorganic materials 0.000 abstract 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 abstract 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 1
- 239000000395 magnesium oxide Substances 0.000 abstract 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 239000011591 potassium Substances 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 229910052701 rubidium Inorganic materials 0.000 abstract 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 abstract 1
- 150000004760 silicates Chemical class 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910052712 strontium Inorganic materials 0.000 abstract 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
Landscapes
- Discharge Lamp (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE344497X | 1929-06-29 | ||
| US447051A US2251045A (en) | 1929-06-29 | 1930-04-24 | Gaseous electric discharge device |
| US606366A US2251046A (en) | 1929-06-29 | 1932-04-20 | Gaseous electric discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB344497A true GB344497A (en) | 1931-03-04 |
Family
ID=32073666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB37227/29A Expired GB344497A (en) | 1929-06-29 | 1929-12-04 | Improvements in electric discharge tubes |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2251046A (en, 2012) |
| BE (1) | BE366649A (en, 2012) |
| FR (1) | FR687266A (en, 2012) |
| GB (1) | GB344497A (en, 2012) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2464373A (en) * | 1941-07-14 | 1949-03-15 | Nat Inv S Corp | Fluorescent discharge tube |
| US2431135A (en) * | 1944-03-29 | 1947-11-18 | Westinghouse Electric Corp | Apparatus for coating cathodes |
| US2453118A (en) * | 1946-05-08 | 1948-11-09 | Western Union Telegraph Co | Concentrated arc discharge device |
| US2509649A (en) * | 1947-06-17 | 1950-05-30 | New England Spectrochemical La | Spectrographic treatment of organic materials |
| US2662196A (en) * | 1948-11-04 | 1953-12-08 | Western Union Telegraph Co | Concentrated arc lamp |
| US2670451A (en) * | 1950-01-12 | 1954-02-23 | Westinghouse Electric Corp | Short arc high-pressure vapor discharge lamp |
| FR1478565A (fr) * | 1966-03-15 | 1967-04-28 | Lampes Sa | Perfectionnement aux lampes à décharge électrique renfermant des iodures métalliques dont de l'iodure de sodium |
-
0
- BE BE366649D patent/BE366649A/xx unknown
-
1929
- 1929-12-04 GB GB37227/29A patent/GB344497A/en not_active Expired
- 1929-12-26 FR FR687266D patent/FR687266A/fr not_active Expired
-
1932
- 1932-04-20 US US606366A patent/US2251046A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2251046A (en) | 1941-07-29 |
| BE366649A (en, 2012) | |
| FR687266A (fr) | 1930-08-06 |
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